Patchwork [21/22] DT: Add basic support for imx35-based devices.

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Submitter Denis Carikli
Date July 15, 2013, 2:57 p.m.
Message ID <1373900227-341-22-git-send-email-denis@eukrea.com>
Download mbox | patch
Permalink /patch/259146/
State New
Headers show

Comments

Denis Carikli - July 15, 2013, 2:57 p.m.
From: Steffen Trumtrar <s.trumtrar@pengutronix.de>

Signed-off-by: Steffen Trumtrar <s.trumtrar@pengutronix.de>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Denis Carikli <denis@eukrea.com>
---
 arch/arm/boot/dts/imx35.dtsi         |  308 ++++++++++++++++++++++++++++++++++
 arch/arm/configs/imx_v6_v7_defconfig |    1 +
 arch/arm/mach-imx/Kconfig            |   11 ++
 arch/arm/mach-imx/Makefile           |    1 +
 arch/arm/mach-imx/clk-imx35.c        |   13 ++
 arch/arm/mach-imx/imx35-dt.c         |   48 ++++++
 6 files changed, 382 insertions(+)
 create mode 100644 arch/arm/boot/dts/imx35.dtsi
 create mode 100644 arch/arm/mach-imx/imx35-dt.c
Alexander Shiyan - July 15, 2013, 3:19 p.m.
> From: Steffen Trumtrar <s.trumtrar@pengutronix.de>
> 
> Signed-off-by: Steffen Trumtrar <s.trumtrar@pengutronix.de>
> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
> Signed-off-by: Denis Carikli <denis@eukrea.com>
> ---
...
> diff --git a/arch/arm/boot/dts/imx35.dtsi b/arch/arm/boot/dts/imx35.dtsi
> new file mode 100644
> index 0000000..012c1a3
> --- /dev/null
> +++ b/arch/arm/boot/dts/imx35.dtsi
...
> +		emi@80000000 { /* External Memory Interface */
> +			compatible = "fsl,emi", "simple-bus";
> +			#address-cells = <1>;
> +			#size-cells = <1>;
> +			reg = <0x80000000 0x40000000>;
> +			ranges;
> +
> +			nand: nand@bb000000 {
> +				#address-cells = <1>;
> +				#size-cells = <1>;
> +
> +				compatible = "fsl,imx35-nand", "fsl,imx25-nand";
> +				reg = <0xbb000000 0x2000>;
> +				interrupts = <33>;
> +				status = "disabled";
> +			};
> +		};

WEIM driver can (should) be used here.
See the example of usage in imx27.dtsi.

---
Sascha Hauer - July 15, 2013, 9:50 p.m.
On Mon, Jul 15, 2013 at 04:57:06PM +0200, Denis Carikli wrote:
> From: Steffen Trumtrar <s.trumtrar@pengutronix.de>
> 
> Signed-off-by: Steffen Trumtrar <s.trumtrar@pengutronix.de>
> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
> Signed-off-by: Denis Carikli <denis@eukrea.com>
> ---
>  arch/arm/boot/dts/imx35.dtsi         |  308 ++++++++++++++++++++++++++++++++++
>  arch/arm/configs/imx_v6_v7_defconfig |    1 +
>  arch/arm/mach-imx/Kconfig            |   11 ++
>  arch/arm/mach-imx/Makefile           |    1 +
>  arch/arm/mach-imx/clk-imx35.c        |   13 ++
>  arch/arm/mach-imx/imx35-dt.c         |   48 ++++++
>  6 files changed, 382 insertions(+)
>  create mode 100644 arch/arm/boot/dts/imx35.dtsi
>  create mode 100644 arch/arm/mach-imx/imx35-dt.c
> 
> diff --git a/arch/arm/boot/dts/imx35.dtsi b/arch/arm/boot/dts/imx35.dtsi
> new file mode 100644
> index 0000000..012c1a3
> --- /dev/null
> +++ b/arch/arm/boot/dts/imx35.dtsi
> @@ -0,0 +1,308 @@
> +/*
> + * Copyright 2012 Steffen Trumtrar, Pengutronix
> + *
> + * based on imx27.dtsi
> + *
> + * This program is free software; you can redistribute it and/or modify it under
> + * the terms of the GNU General Public License version 2 as published by the
> + * Free Software Foundation.
> + */
> +
> +#include "skeleton.dtsi"
> +#include "imx35-pinfunc.h"
> +
> +/ {
> +	aliases {
> +		serial0 = &uart1;
> +		serial1 = &uart2;
> +		serial2 = &uart3;
> +		gpio0 = &gpio1;
> +		gpio1 = &gpio2;
> +		gpio2 = &gpio3;
> +	};
> +
> +	avic: avic-interrupt-controller@68000000 {
> +		compatible = "fsl,imx35-avic", "fsl,avic";
> +		interrupt-controller;
> +		#interrupt-cells = <1>;
> +		reg = <0x68000000 0x10000000>;
> +	};
> +
> +	clocks {
> +		#address-cells = <1>;
> +		#size-cells = <0>;
> +
> +		ckil {
> +			compatible = "fsl,imx-ckil", "fixed-clock";
> +			clock-frequency = <32768>;
> +		};
> +
> +		osc {
> +			compatible = "fsl,imx-osc", "fixed-clock";
> +			clock-frequency = <24000000>;
> +		};
> +	};
> +
> +	soc {
> +		#address-cells = <1>;
> +		#size-cells = <1>;
> +		compatible = "simple-bus";
> +		interrupt-parent = <&avic>;
> +		ranges;
> +
> +		l2-cache@30000000 {
> +			compatible = "arm,l210-cache";
> +			reg = <0x30000000 0x1000>;
> +			cache-unified;
> +			cache-level = <2>;
> +		};
> +
> +		aips@43f00000 { /* AIPS1 */

You could add a 'aips1:' label to make the comment unnecessary.

> +			iomuxc@43fac000 {

Add a 'iomuxc:' label here.

> diff --git a/arch/arm/mach-imx/clk-imx35.c b/arch/arm/mach-imx/clk-imx35.c
> index 2193c83..b46375c 100644
> --- a/arch/arm/mach-imx/clk-imx35.c
> +++ b/arch/arm/mach-imx/clk-imx35.c
> @@ -204,7 +204,9 @@ int __init mx35_clocks_init(void)
>  				i, PTR_ERR(clk[i]));
>  
>  	clk_register_clkdev(clk[pata_gate], NULL, "pata_imx");
> +	clk_register_clkdev(clk[can1_gate], NULL, "53fe4000.can");
>  	clk_register_clkdev(clk[can1_gate], NULL, "flexcan.0");
> +	clk_register_clkdev(clk[can2_gate], NULL, "53fe8000.can");
>  	clk_register_clkdev(clk[can2_gate], NULL, "flexcan.1");
>  	clk_register_clkdev(clk[cspi1_gate], "per", "imx35-cspi.0");
>  	clk_register_clkdev(clk[cspi1_gate], "ipg", "imx35-cspi.0");
> @@ -221,12 +223,16 @@ int __init mx35_clocks_init(void)
>  	clk_register_clkdev(clk[esdhc3_gate], "per", "sdhci-esdhc-imx35.2");
>  	clk_register_clkdev(clk[ipg], "ipg", "sdhci-esdhc-imx35.2");
>  	clk_register_clkdev(clk[ahb], "ahb", "sdhci-esdhc-imx35.2");
> +	clk_register_clkdev(clk[fec_gate], NULL, "50038000.fec");
>  	/* i.mx35 has the i.mx27 type fec */
>  	clk_register_clkdev(clk[fec_gate], NULL, "imx27-fec.0");
>  	clk_register_clkdev(clk[gpt_gate], "per", "imx-gpt.0");
>  	clk_register_clkdev(clk[ipg], "ipg", "imx-gpt.0");
> +	clk_register_clkdev(clk[i2c1_gate], NULL, "43f80000.i2c");
>  	clk_register_clkdev(clk[i2c1_gate], NULL, "imx21-i2c.0");
> +	clk_register_clkdev(clk[i2c2_gate], NULL, "43f98000.i2c");
>  	clk_register_clkdev(clk[i2c2_gate], NULL, "imx21-i2c.1");
> +	clk_register_clkdev(clk[i2c3_gate], NULL, "43f84000.i2c");
>  	clk_register_clkdev(clk[i2c3_gate], NULL, "imx21-i2c.2");
>  	clk_register_clkdev(clk[ipu_gate], NULL, "ipu-core");
>  	clk_register_clkdev(clk[ipu_gate], NULL, "mx3_sdc_fb");
> @@ -235,6 +241,12 @@ int __init mx35_clocks_init(void)
>  	clk_register_clkdev(clk[sdma_gate], NULL, "imx35-sdma");
>  	clk_register_clkdev(clk[ssi1_gate], NULL, "imx-ssi.0");
>  	clk_register_clkdev(clk[ssi2_gate], NULL, "imx-ssi.1");
> +	clk_register_clkdev(clk[uart1_gate], "per", "43f90000.serial");
> +	clk_register_clkdev(clk[ipg], "ipg", "43f90000.serial");
> +	clk_register_clkdev(clk[uart2_gate], "per", "43f94000.serial");
> +	clk_register_clkdev(clk[ipg], "ipg", "43f94000.serial");
> +	clk_register_clkdev(clk[uart3_gate], "per", "5000c000.serial");
> +	clk_register_clkdev(clk[ipg], "ipg", "5000c000.serial");
>  	/* i.mx35 has the i.mx21 type uart */
>  	clk_register_clkdev(clk[uart1_gate], "per", "imx21-uart.0");
>  	clk_register_clkdev(clk[ipg], "ipg", "imx21-uart.0");
> @@ -255,6 +267,7 @@ int __init mx35_clocks_init(void)
>  	clk_register_clkdev(clk[ipg], "ipg", "imx-udc-mx27");
>  	clk_register_clkdev(clk[usbotg_gate], "ahb", "imx-udc-mx27");
>  	clk_register_clkdev(clk[wdog_gate], NULL, "imx2-wdt.0");
> +	clk_register_clkdev(clk[nfc_div], NULL, "bb000000.nand");

All the changes above shouldn't be necessary.

Sascha

Patch

diff --git a/arch/arm/boot/dts/imx35.dtsi b/arch/arm/boot/dts/imx35.dtsi
new file mode 100644
index 0000000..012c1a3
--- /dev/null
+++ b/arch/arm/boot/dts/imx35.dtsi
@@ -0,0 +1,308 @@ 
+/*
+ * Copyright 2012 Steffen Trumtrar, Pengutronix
+ *
+ * based on imx27.dtsi
+ *
+ * This program is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License version 2 as published by the
+ * Free Software Foundation.
+ */
+
+#include "skeleton.dtsi"
+#include "imx35-pinfunc.h"
+
+/ {
+	aliases {
+		serial0 = &uart1;
+		serial1 = &uart2;
+		serial2 = &uart3;
+		gpio0 = &gpio1;
+		gpio1 = &gpio2;
+		gpio2 = &gpio3;
+	};
+
+	avic: avic-interrupt-controller@68000000 {
+		compatible = "fsl,imx35-avic", "fsl,avic";
+		interrupt-controller;
+		#interrupt-cells = <1>;
+		reg = <0x68000000 0x10000000>;
+	};
+
+	clocks {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		ckil {
+			compatible = "fsl,imx-ckil", "fixed-clock";
+			clock-frequency = <32768>;
+		};
+
+		osc {
+			compatible = "fsl,imx-osc", "fixed-clock";
+			clock-frequency = <24000000>;
+		};
+	};
+
+	soc {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		compatible = "simple-bus";
+		interrupt-parent = <&avic>;
+		ranges;
+
+		l2-cache@30000000 {
+			compatible = "arm,l210-cache";
+			reg = <0x30000000 0x1000>;
+			cache-unified;
+			cache-level = <2>;
+		};
+
+		aips@43f00000 { /* AIPS1 */
+			compatible = "fsl,aips", "simple-bus";
+			#address-cells = <1>;
+			#size-cells = <1>;
+			reg = <0x43f00000 0x100000>;
+			ranges;
+
+			i2c1: i2c@43f80000 {
+				#address-cells = <1>;
+				#size-cells = <0>;
+				compatible = "fsl,imx35-i2c", "fsl,imx1-i2c";
+				reg = <0x43f80000 0x4000>;
+				interrupts = <10>;
+				status = "disabled";
+			};
+
+			i2c3: i2c@43f84000 {
+				#address-cells = <1>;
+				#size-cells = <0>;
+				compatible = "fsl,imx35-i2c", "fsl,imx1-i2c";
+				reg = <0x43f84000 0x4000>;
+				interrupts = <3>;
+				status = "disabled";
+			};
+
+			uart1: serial@43f90000 {
+				compatible = "fsl,imx35-uart", "fsl,imx21-uart";
+				reg = <0x43f90000 0x4000>;
+				interrupts = <45>;
+				status = "disabled";
+			};
+
+			uart2: serial@43f94000 {
+				compatible = "fsl,imx35-uart", "fsl,imx21-uart";
+				reg = <0x43f94000 0x4000>;
+				interrupts = <32>;
+				status = "disabled";
+			};
+
+			i2c2: i2c@43f98000 {
+				#address-cells = <1>;
+				#size-cells = <0>;
+				compatible = "fsl,imx35-i2c", "fsl,imx1-i2c";
+				reg = <0x43f98000 0x4000>;
+				interrupts = <4>;
+				status = "disabled";
+			};
+
+			ssi1: ssi@43fa0000 {
+				compatible = "fsl,imx35-ssi", "fsl,imx21-ssi";
+				reg = <0x43fa0000 0x4000>;
+				interrupts = <11>;
+				fsl,ssi-dma-events = <29 28 27 26>;
+				status = "disabled";
+			};
+
+			iomuxc@43fac000 {
+				compatible = "fsl,imx35-iomuxc";
+				reg = <0x43fac000 0x4000>;
+
+				i2c1 {
+					pinctrl_i2c1_1: i2c1grp-1 {
+						fsl,pins = <
+								MX35_PAD_I2C1_CLK__I2C1_SCL 0x80000000
+								MX35_PAD_I2C1_DAT__I2C1_SDA 0x80000000
+						>;
+					};
+				};
+
+				i2c3 {
+					pinctrl_i2c3_1: i2c3grp-1 {
+						fsl,pins = <MX35_PAD_ATA_DATA12__I2C3_SCL 0x1c0
+							    MX35_PAD_ATA_DATA13__I2C3_SDA 0x1c0>;
+					};
+				};
+
+				can1 {
+					pinctrl_can1_1: can1grp-1 {
+						fsl,pins = <MX35_PAD_I2C2_CLK__CAN1_TXCAN 0x1c0
+							    MX35_PAD_I2C2_DAT__CAN1_RXCAN 0x1c0>;
+					};
+				};
+
+				can2 {
+					pinctrl_can2_1: can2grp-1 {
+						fsl,pins = <MX35_PAD_TX5_RX0__CAN2_TXCAN 0x1c0
+							MX35_PAD_TX4_RX1__CAN2_RXCAN 0x1c0>;
+					};
+				};
+
+				uart1 {
+					pinctrl_uart1_1: uart1grp-1 {
+						fsl,pins = <
+							MX35_PAD_CTS1__UART1_CTS 0x80000000
+							MX35_PAD_RTS1__UART1_RTS 0x80000000
+							MX35_PAD_TXD1__UART1_TXD_MUX 0x80000000
+							MX35_PAD_RXD1__UART1_RXD_MUX 0x80000000
+						>;
+					};
+				};
+
+				fec {
+					pinctrl_fec_1: fecgrp-1 {
+						fsl,pins = <
+							MX35_PAD_FEC_TX_CLK__FEC_TX_CLK 0x80000000
+							MX35_PAD_FEC_RX_CLK__FEC_RX_CLK 0x80000000
+							MX35_PAD_FEC_RX_DV__FEC_RX_DV 0x80000000
+							MX35_PAD_FEC_COL__FEC_COL 0x80000000
+							MX35_PAD_FEC_RDATA0__FEC_RDATA_0 0x80000000
+							MX35_PAD_FEC_TDATA0__FEC_TDATA_0 0x80000000
+							MX35_PAD_FEC_TX_EN__FEC_TX_EN 0x80000000
+							MX35_PAD_FEC_MDC__FEC_MDC 0x80000000
+							MX35_PAD_FEC_MDIO__FEC_MDIO 0x80000000
+							MX35_PAD_FEC_TX_ERR__FEC_TX_ERR 0x80000000
+							MX35_PAD_FEC_RX_ERR__FEC_RX_ERR 0x80000000
+							MX35_PAD_FEC_CRS__FEC_CRS 0x80000000
+							MX35_PAD_FEC_RDATA1__FEC_RDATA_1 0x80000000
+							MX35_PAD_FEC_TDATA1__FEC_TDATA_1 0x80000000
+							MX35_PAD_FEC_RDATA2__FEC_RDATA_2 0x80000000
+							MX35_PAD_FEC_TDATA2__FEC_TDATA_2 0x80000000
+							MX35_PAD_FEC_RDATA3__FEC_RDATA_3 0x80000000
+							MX35_PAD_FEC_TDATA3__FEC_TDATA_3 0x80000000
+						>;
+
+					};
+				};
+			};
+		};
+
+		spba@50000000 {
+			compatible = "fsl,spba-bus", "simple-bus";
+			#address-cells = <1>;
+			#size-cells = <1>;
+			reg = <0x50000000 0x100000>;
+			ranges;
+
+			uart3: serial@5000c000 {
+				compatible = "fsl,imx35-uart", "fsl,imx21-uart";
+				reg = <0x5000c000 0x4000>;
+				interrupts = <18>;
+				status = "disabled";
+			};
+
+			fec: fec@50038000 {
+				compatible = "fsl,imx35-fec", "fsl,imx27-fec";
+				reg = <0x50038000 0x4000>;
+				interrupts = <57>;
+				status = "disabled";
+			};
+		};
+
+		aips@53f00000 { /* AIPS2 */
+			compatible = "fsl,aips", "simple-bus";
+			#address-cells = <1>;
+			#size-cells = <1>;
+			reg = <0x53f00000 0x100000>;
+			ranges;
+
+			gpio3: gpio@0x53fa4000 {
+				compatible = "fsl,imx35-gpio", "fsl,imx31-gpio";
+				reg = <0x53fa4000 0x4000>;
+				interrupts = <56>;
+				gpio-controller;
+				#gpio-cells = <2>;
+				interrupt-controller;
+				#interrupt-cells = <2>;
+			};
+
+			esdhc1: esdhc@53fb4000 {
+				compatible = "fsl,mx35-sdhc";
+				reg = <0x53fb4000 0x4000>;
+				interrupts = <7>;
+				status = "disabled";
+			};
+
+			esdhc2: esdhc@53fb8000 {
+				compatible = "fsl,mx35-sdhc";
+				reg = <0x53fb8000 0x4000>;
+				interrupts = <8>;
+				status = "disabled";
+			};
+
+			esdhc3: esdhc@53fbc000 {
+				compatible = "fsl,mx35-sdhc";
+				reg = <0x53fbc000 0x4000>;
+				interrupts = <9>;
+				status = "disabled";
+			};
+
+			gpio1: gpio@0x53fcc000 {
+				compatible = "fsl,imx35-gpio", "fsl,imx31-gpio";
+				reg = <0x53fcc000 0x4000>;
+				interrupts = <52>;
+				gpio-controller;
+				#gpio-cells = <2>;
+				interrupt-controller;
+				#interrupt-cells = <2>;
+			};
+
+			gpio2: gpio@0x53fd0000 {
+				compatible = "fsl,imx35-gpio", "fsl,imx31-gpio";
+				reg = <0x53fd0000 0x4000>;
+				interrupts = <51>;
+				gpio-controller;
+				#gpio-cells = <2>;
+				interrupt-controller;
+				#interrupt-cells = <2>;
+			};
+
+			wdog@53fdc000 {
+				compatible = "fsl,imx35-wdt", "fsl,imx2-wdt";
+				reg = <0x53fdc000 0x4000>;
+				interrupts = <55>;
+			};
+
+			can@53fe4000 {
+				compatible = "fsl,imx35-flexcan", "fsl,p1010-flexcan";
+				reg = <0x53fe4000 0x1000>;
+				interrupts = <43>;
+				status = "disabled";
+			};
+
+			can@53fe8000 {
+				compatible = "fsl,imx35-flexcan", "fsl,p1010-flexcan";
+				reg = <0x53fe8000 0x1000>;
+				interrupts = <44>;
+				status = "disabled";
+			};
+		};
+
+		emi@80000000 { /* External Memory Interface */
+			compatible = "fsl,emi", "simple-bus";
+			#address-cells = <1>;
+			#size-cells = <1>;
+			reg = <0x80000000 0x40000000>;
+			ranges;
+
+			nand: nand@bb000000 {
+				#address-cells = <1>;
+				#size-cells = <1>;
+
+				compatible = "fsl,imx35-nand", "fsl,imx25-nand";
+				reg = <0xbb000000 0x2000>;
+				interrupts = <33>;
+				status = "disabled";
+			};
+		};
+	};
+};
diff --git a/arch/arm/configs/imx_v6_v7_defconfig b/arch/arm/configs/imx_v6_v7_defconfig
index f1662d3..366b20d 100644
--- a/arch/arm/configs/imx_v6_v7_defconfig
+++ b/arch/arm/configs/imx_v6_v7_defconfig
@@ -32,6 +32,7 @@  CONFIG_MACH_ARMADILLO5X0=y
 CONFIG_MACH_KZM_ARM11_01=y
 CONFIG_MACH_PCM043=y
 CONFIG_MACH_MX35_3DS=y
+CONFIG_MACH_IMX35_DT=y
 CONFIG_MACH_VPR200=y
 CONFIG_MACH_IMX51_DT=y
 CONFIG_MACH_EUKREA_CPUIMX51SD=y
diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig
index ed09a63..dc8f809 100644
--- a/arch/arm/mach-imx/Kconfig
+++ b/arch/arm/mach-imx/Kconfig
@@ -627,6 +627,17 @@  config MACH_IMX31_DT
 
 comment "MX35 platforms:"
 
+config MACH_IMX35_DT
+	bool "Support i.MX35 platforms from device tree"
+	select SOC_IMX35
+	select IMX_HAVE_PLATFORM_IMX2_WDT
+	select IMX_HAVE_PLATFORM_MXC_NAND
+	select PINCTRL
+	select PINCTRL_IMX35
+	help
+	  Include support for Freescale i.MX35 based platforms
+	  using the device tree for discovery.
+
 config MACH_PCM043
 	bool "Support Phytec pcm043 (i.MX35) platforms"
 	select IMX_HAVE_PLATFORM_FLEXCAN
diff --git a/arch/arm/mach-imx/Makefile b/arch/arm/mach-imx/Makefile
index e20f22d..3cb9d30 100644
--- a/arch/arm/mach-imx/Makefile
+++ b/arch/arm/mach-imx/Makefile
@@ -88,6 +88,7 @@  obj-$(CONFIG_MACH_MX35_3DS) += mach-mx35_3ds.o
 obj-$(CONFIG_MACH_EUKREA_CPUIMX35SD) += mach-cpuimx35.o
 obj-$(CONFIG_MACH_EUKREA_MBIMXSD35_BASEBOARD) += eukrea_mbimxsd35-baseboard.o
 obj-$(CONFIG_MACH_VPR200) += mach-vpr200.o
+obj-$(CONFIG_MACH_IMX35_DT) += imx35-dt.o
 
 obj-$(CONFIG_HAVE_IMX_ANATOP) += anatop.o
 obj-$(CONFIG_HAVE_IMX_GPC) += gpc.o
diff --git a/arch/arm/mach-imx/clk-imx35.c b/arch/arm/mach-imx/clk-imx35.c
index 2193c83..b46375c 100644
--- a/arch/arm/mach-imx/clk-imx35.c
+++ b/arch/arm/mach-imx/clk-imx35.c
@@ -204,7 +204,9 @@  int __init mx35_clocks_init(void)
 				i, PTR_ERR(clk[i]));
 
 	clk_register_clkdev(clk[pata_gate], NULL, "pata_imx");
+	clk_register_clkdev(clk[can1_gate], NULL, "53fe4000.can");
 	clk_register_clkdev(clk[can1_gate], NULL, "flexcan.0");
+	clk_register_clkdev(clk[can2_gate], NULL, "53fe8000.can");
 	clk_register_clkdev(clk[can2_gate], NULL, "flexcan.1");
 	clk_register_clkdev(clk[cspi1_gate], "per", "imx35-cspi.0");
 	clk_register_clkdev(clk[cspi1_gate], "ipg", "imx35-cspi.0");
@@ -221,12 +223,16 @@  int __init mx35_clocks_init(void)
 	clk_register_clkdev(clk[esdhc3_gate], "per", "sdhci-esdhc-imx35.2");
 	clk_register_clkdev(clk[ipg], "ipg", "sdhci-esdhc-imx35.2");
 	clk_register_clkdev(clk[ahb], "ahb", "sdhci-esdhc-imx35.2");
+	clk_register_clkdev(clk[fec_gate], NULL, "50038000.fec");
 	/* i.mx35 has the i.mx27 type fec */
 	clk_register_clkdev(clk[fec_gate], NULL, "imx27-fec.0");
 	clk_register_clkdev(clk[gpt_gate], "per", "imx-gpt.0");
 	clk_register_clkdev(clk[ipg], "ipg", "imx-gpt.0");
+	clk_register_clkdev(clk[i2c1_gate], NULL, "43f80000.i2c");
 	clk_register_clkdev(clk[i2c1_gate], NULL, "imx21-i2c.0");
+	clk_register_clkdev(clk[i2c2_gate], NULL, "43f98000.i2c");
 	clk_register_clkdev(clk[i2c2_gate], NULL, "imx21-i2c.1");
+	clk_register_clkdev(clk[i2c3_gate], NULL, "43f84000.i2c");
 	clk_register_clkdev(clk[i2c3_gate], NULL, "imx21-i2c.2");
 	clk_register_clkdev(clk[ipu_gate], NULL, "ipu-core");
 	clk_register_clkdev(clk[ipu_gate], NULL, "mx3_sdc_fb");
@@ -235,6 +241,12 @@  int __init mx35_clocks_init(void)
 	clk_register_clkdev(clk[sdma_gate], NULL, "imx35-sdma");
 	clk_register_clkdev(clk[ssi1_gate], NULL, "imx-ssi.0");
 	clk_register_clkdev(clk[ssi2_gate], NULL, "imx-ssi.1");
+	clk_register_clkdev(clk[uart1_gate], "per", "43f90000.serial");
+	clk_register_clkdev(clk[ipg], "ipg", "43f90000.serial");
+	clk_register_clkdev(clk[uart2_gate], "per", "43f94000.serial");
+	clk_register_clkdev(clk[ipg], "ipg", "43f94000.serial");
+	clk_register_clkdev(clk[uart3_gate], "per", "5000c000.serial");
+	clk_register_clkdev(clk[ipg], "ipg", "5000c000.serial");
 	/* i.mx35 has the i.mx21 type uart */
 	clk_register_clkdev(clk[uart1_gate], "per", "imx21-uart.0");
 	clk_register_clkdev(clk[ipg], "ipg", "imx21-uart.0");
@@ -255,6 +267,7 @@  int __init mx35_clocks_init(void)
 	clk_register_clkdev(clk[ipg], "ipg", "imx-udc-mx27");
 	clk_register_clkdev(clk[usbotg_gate], "ahb", "imx-udc-mx27");
 	clk_register_clkdev(clk[wdog_gate], NULL, "imx2-wdt.0");
+	clk_register_clkdev(clk[nfc_div], NULL, "bb000000.nand");
 	clk_register_clkdev(clk[nfc_div], NULL, "imx25-nand.0");
 	clk_register_clkdev(clk[csi_gate], NULL, "mx3-camera.0");
 	clk_register_clkdev(clk[admux_gate], "audmux", NULL);
diff --git a/arch/arm/mach-imx/imx35-dt.c b/arch/arm/mach-imx/imx35-dt.c
new file mode 100644
index 0000000..db8a1dd
--- /dev/null
+++ b/arch/arm/mach-imx/imx35-dt.c
@@ -0,0 +1,48 @@ 
+/*
+ * Copyright 2012 Steffen Trumtrar, Pengutronix
+ *
+ * based on imx27-dt.c
+ *
+ * This program is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License version 2 as published by the
+ * Free Software Foundation.
+ */
+
+#include <linux/irq.h>
+#include <linux/irqdomain.h>
+#include <linux/of_irq.h>
+#include <linux/of_platform.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/time.h>
+#include <asm/hardware/cache-l2x0.h>
+#include "common.h"
+#include "mx35.h"
+
+static void __init imx35_dt_init(void)
+{
+	l2x0_of_init(0x00030024, 0x00000000);
+
+	of_platform_populate(NULL, of_default_bus_match_table,
+			     NULL, NULL);
+}
+
+static void __init imx35_timer_init(void)
+{
+	mx35_clocks_init();
+}
+
+static const char *imx35_dt_board_compat[] __initdata = {
+	"fsl,imx35",
+	NULL
+};
+
+DT_MACHINE_START(IMX35_DT, "Freescale i.MX35 (Device Tree Support)")
+	.map_io		= mx35_map_io,
+	.init_early	= imx35_init_early,
+	.init_irq	= mx35_init_irq,
+	.handle_irq	= imx35_handle_irq,
+	.init_time      = imx35_timer_init,
+	.init_machine	= imx35_dt_init,
+	.dt_compat	= imx35_dt_board_compat,
+	.restart	= mxc_restart,
+MACHINE_END